【单选题】针式打印机是典型的()打印机,多用于银行、医院、邮局等行业。
【单选题】针式打印机是典型的( )打印机多用于银行医院邮局等行业。
【单选题】Can you offer us machine tools with the following _____?
【判断题】减小触发误差的方法有减小触发窗或增大信号幅度。
【简答题】If you think this offer is acceptable ______ you, please fax us immediately ______ our confirmation.